rtc: da9052: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_tm time conversion.
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200306073548.57579-3-alexandre.belloni@bootlin.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-da9052.c

@@ -103,13 +103,11 @@ static int da9052_set_alarm(struct da9052_rtc *rtc, struct rtc_time *rtc_tm)
 	int ret;
 	uint8_t v[3];
 
-	ret = rtc_tm_to_time(rtc_tm, &alm_time);
-	if (ret != 0)
-		return ret;
+	alm_time = rtc_tm_to_time64(rtc_tm);
 
 	if (rtc_tm->tm_sec > 0) {
 		alm_time += 60 - rtc_tm->tm_sec;
-		rtc_time_to_tm(alm_time, rtc_tm);
+		rtc_time64_to_tm(alm_time, rtc_tm);
 	}
 	BUG_ON(rtc_tm->tm_sec); /* it will cause repeated irqs if not zero */